Ferris 5901692 - Deck Lift Assist Springs; Mower Deck Drive Belt Replacement - 52 & 61 Mower Decks

Not for
Reproduction
36 ferrismowers.com
measurements equal 4" (10,2 cm) in the front and
turn the hex adjusters on the rear deck linkages until
the measurements equal 4-1/4" (10,8 cm) in the rear.
13. Tighten the jam nuts on the front hanger chains and the
rear deck linkages.
14. Remove the cutting height adjustment pin from behind
the deck lift lever. Raise the mower deck and re-install the
cutting height adjustment pin in the desired height.
Deck Lift Assist Springs
Some models are equipped with deck lift assist springs (A,
Figure 51) that assist the operator in raising the mower deck
with the deck lift lever. The deck lift assist springs are factory
set to provide optimal lifting performance.
51
Although it is fastened with an adjustable anchor, this is not
an adjustment point.
Do NOT attempt to adjust the spring length or lifting
performance will be compromised.
Mower Deck Drive Belt Replacement -
52" & 61" Mower Decks
NOTICE To avoid damaging belt,do not pry over
pulleys.
1. Park the mower on a smooth, level surface such as a
concrete floor. Disengage the PTO, engage the parking
brake, turn the ignition switch to OFF, and remove the
ignition key.
2. Lower the mower deck to its lowest cutting position and
remove the mower decks guards to gain access to the
mower deck drive belt (A, Figure52).
52
WARNING
Use extreme caution when rotating the idler arm with the
breaker bar, due to the increased tension in the spring
as the idler arm is being rotated. Injury may result if the
breaker bar is prematurely released while the spring is
under tension.
3. Using the 1/2” breaker bar, place the square end in
the opening in the idler arm (B) and rotate the idler
armclockwise, which will relieve the tension on the belt
exerted from the idler arm.
4. Slide the drive belt over the edge of the trim side spindle
pulley (C). Carefully release the tension on the breaker
bar.
5. Remove the old belt and replace with a new one.
6. Install the belt onto the PTO clutch pulley (D) and the
center and discharge side spindle pulleys (C). Install the
belt on the stationary idler pulley (E) and the adjustable
idler pulley (F).
7. Carefully rotate the breaker barclockwiseand install the
belt on the trim side spindle pulley, making sure that the
V-side of the belt runs in the grooves of the pulley.
8. Carefully release the tension on the breaker bar.
9. Set the mower deck in the 3-1/2” (8,89 cm) cutting
position.
10. Determine the correct spring length for
your machine:For units with 52" mower
decks:10-1/2" (26,7 cm).For units with 61" mower
decks:9-3/4" (24,8 cm).
11. Measure the coil length (A, Figure53) of the mower
belt tensioning spring (B). The measurement should the
measurement as indicated in step #10.If not, loosen the
jam nut (C) on the eye bolt (D) and turn the adjustment
nut (E) until the measurement is achieved.